190) How does packet switching work? 191) Describe the principal components of telecommunications networks and key networking technologies? 192) Murray is trying to decide what type of...

190) How does packet switching work?

191) Describe the principal components of telecommunications networks and key networking technologies?

192) Murray is trying to decide what type of telecommunication transmission media and what type of network he might use at the University of Lethbridge. Murray goes to the IS faculty to learn about these subjects in a general way. Describe to Murray what the main telecommunications transmission media and type of network the university would use.